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CMakeLists.txt
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cmake_minimum_required(VERSION 3.8)
project(fx-gltf VERSION 2.0.0)
cmake_policy(SET CMP0054 NEW)
if (POLICY CMP0077)
cmake_policy(SET CMP0077 NEW)
endif()
option(FX_GLTF_BUILD_TESTS "If the tests should be built" ON)
option(FX_GLTF_INSTALL "If the library should be installed" ON)
option(FX_GLTF_USE_INSTALLED_DEPS "If installed or repo local dependencies should be used" OFF)
# Force use of installed deps if installing
if(FX_GLTF_INSTALL)
set(FX_GLTF_USE_INSTALLED_DEPS ON)
endif()
##
## Config
##
set(FX_GLTF_LIB_TARGET_NAME ${PROJECT_NAME})
set(FX_GLTF_TARGETS_EXPORT_NAME ${PROJECT_NAME}Targets)
set(FX_GLTF_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include/)
set(FX_GLTF_INSTALL_INCLUDE_DIR ${CMAKE_INSTALL_PREFIX}/include)
set(FX_GLTF_INSTALL_CONFIG_DIR ${CMAKE_INSTALL_PREFIX}/lib/cmake/${PROJECT_NAME})
set(FX_GLTF_LICENSE_FILE ${CMAKE_CURRENT_SOURCE_DIR}/LICENSE)
set(FX_GLTF_TARGETS_FILE ${PROJECT_NAME}Targets.cmake)
set(FX_GLTF_CONFIG_FILE ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake)
set(FX_GLTF_CONFIG_VERSION_FILE ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake)
set(FX_GLTF_CONFIG_TEMPLATE_FILE ${CMAKE_CURRENT_SOURCE_DIR}/cmake/${PROJECT_NAME}Config.cmake.in)
##
## Library target
##
add_library(${FX_GLTF_LIB_TARGET_NAME} INTERFACE)
add_library(${PROJECT_NAME}::${FX_GLTF_LIB_TARGET_NAME} ALIAS ${FX_GLTF_LIB_TARGET_NAME})
target_include_directories(${FX_GLTF_LIB_TARGET_NAME}
INTERFACE
$<INSTALL_INTERFACE:include>
$<BUILD_INTERFACE:${FX_GLTF_INCLUDE_DIR}>
)
target_compile_features(${FX_GLTF_LIB_TARGET_NAME} INTERFACE cxx_std_14)
## Dependencies
if(FX_GLTF_USE_INSTALLED_DEPS)
find_package(nlohmann_json 3.9.1 REQUIRED)
target_link_libraries(${FX_GLTF_LIB_TARGET_NAME} INTERFACE nlohmann_json::nlohmann_json)
endif()
##
## Testing
##
include(CTest)
if(FX_GLTF_BUILD_TESTS AND BUILD_TESTING)
enable_testing()
add_subdirectory(test)
endif()
##
## Install
##
if(FX_GLTF_INSTALL)
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
${FX_GLTF_CONFIG_VERSION_FILE}
VERSION ${PROJECT_VERSION}
COMPATIBILITY SameMajorVersion
)
configure_package_config_file(
${FX_GLTF_CONFIG_TEMPLATE_FILE}
${FX_GLTF_CONFIG_FILE}
INSTALL_DESTINATION ${FX_GLTF_INSTALL_CONFIG_DIR}
)
install(
TARGETS ${FX_GLTF_LIB_TARGET_NAME}
EXPORT ${FX_GLTF_TARGETS_EXPORT_NAME}
)
install(
DIRECTORY ${FX_GLTF_INCLUDE_DIR}
DESTINATION ${FX_GLTF_INSTALL_INCLUDE_DIR}
)
install(
EXPORT ${FX_GLTF_TARGETS_EXPORT_NAME}
FILE ${FX_GLTF_TARGETS_FILE}
NAMESPACE ${PROJECT_NAME}::
DESTINATION ${FX_GLTF_INSTALL_CONFIG_DIR}
)
install(
FILES
${FX_GLTF_CONFIG_FILE}
${FX_GLTF_CONFIG_VERSION_FILE}
DESTINATION ${FX_GLTF_INSTALL_CONFIG_DIR}
)
install(
FILES ${FX_GLTF_LICENSE_FILE}
DESTINATION ${CMAKE_INSTALL_PREFIX}
)
##
## Export
##
export(
EXPORT ${FX_GLTF_TARGETS_EXPORT_NAME}
FILE ${CMAKE_CURRENT_BINARY_DIR}/${FX_GLTF_TARGETS_FILE}
NAMESPACE ${PROJECT_NAME}::
)
export(PACKAGE ${PROJECT_NAME})
endif()